Wishbone support arm



FIG. 1 is a top perspective view of a wishbone support arm embodying our novel design;

FIG. 2 is a bottom perspective view of a wishbone support arm embodying our novel design;

FIG. 3 is a front elevational view of the wishbone support arm of FIG. 1, the rear elevational view is a mirror image of the front view;

FIG. 4 is a left side elevational view of the wishbone support arm of FIG. 1;

FIG. 5 is a right side elevational view of the wishbone support arm of FIG. 1;

FIG. 6 is a top plan view of the wishbone support arm of FIG. 1;

FIG. 7 is a bottom plan view of the wishbone support arm of FIG. 1; and,

FIG. 8 is a front elevational view of the wishbone support arm of FIG. 1 shown connected to components of a flat panel display mounting system. The broken lines shown in FIG. 8 are for illustrative purposes only, to show one possible environment of the wishbone support arm, and form no part of the claimed design. 

The ornamental design for a wishbone support arm, as shown and described. 